head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.

Execution · Practiced Mastery
Neon top-down massacre where each floor is a one-mistake execution puzzle.

Execution · Practiced Mastery
A Capcom side-scrolling shoot-em-up with a shop economy between missions.
Hotline Miami leans Execution (Practiced Mastery); U.N. Squadron leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Hotline Miami
One-hit-death rooms demand flawless fast inputs
U.N. Squadron
Dodging dense fire and boss patterns is the test
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Hotline Miami
Enemies are dumb scripted reactors
U.N. Squadron
Enemy waves are fully scripted
Hotline Miami leans a little harder on variance, though the gap is small.
Hotline Miami
Slight enemy behavior wobble between restarts
U.N. Squadron
Deterministic stages once memorized
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Hotline Miami
Route planning and mask choice per floor
U.N. Squadron
Shop purchases, pilot choice, and pattern routes
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.